import axios from 'axios'
import { Message } from 'element-ui'
import router from '../router'

//请求拦截器
axios.interceptors.request.use(config => { 
  //如果存在token请求携带这个token
  if (window.sessionStorage.getItem('token')) {
    config.headers['Authorization'] = window.sessionStorage.getItem('token');
  }
  return config;
}, error => { 
  console.log(error);
})

// 响应拦截器
axios.interceptors.response.use(success => {
  // 业务逻辑错误 data - code message
  if (success.status && success.status == 200) {
    // 调用成功后判断是否有返回错误信息
    if (success.data.code == 500 || success.data.code == 401 || success.data.code == 403) {
      Message.error({ message: success.data.message });
      return;
    }
    if (success.data.message) {
      Message.success({ message: success.data.message });
    }
  }
  return success.data;

}, error => {
  if (error.response.code == 504 || error.response.code == 404) {
    Message.error({ message: '服务器被吃了' })
  } else if (error.response.ocde == 403) {
    Message.error({ message: '权限不足,请联系管理员' });
  } else if (error.response.ocde == 401) {
    Message.error({ message: '尚未登录，请登录' });
    router.replace('/');
  } else {
    if (error.response.data.message) {
      Message.error({ message: error.response.data.message });
    } else {
      Message.error({message:'未知错误'})
    }
  }
  return;
})

let base = '';

// post请求
export const postRequest = (url, params) => { 
  return axios({
    method: 'post',
    url: `${base}${url}`,
    data: params
  })
}

// put请求
export const putRequest = (url, params) => { 
  return axios({
    method: 'put',
    url: `${base}${url}`,
    data: params
  })
}

// get请求
export const getRequest = (url, params) => { 
  return axios({
    method: 'get',
    url: `${base}${url}`,
    data: params
  })
}

// get请求
export const deleteRequest = (url, params) => { 
  return axios({
    method: 'delete',
    url: `${base}${url}` +params,
    // data: params
  })
}